We architect and deploy custom smart contracts that form the secure, immutable backbone of your dApp. Our development process is built on Solidity 0.8+ with OpenZeppelin libraries and follows industry-standard security patterns to mitigate risks from day one.
LABS
Services
Wallet Portfolio Tracking API
We build custom APIs that aggregate and normalize asset data across multiple blockchains and DeFi protocols, delivering a unified, real-time portfolio view for your users.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by experts for your Web3 application.
- End-to-End Development: From initial architecture to deployment and verification on mainnet.
- Gas Optimization: Code reviewed for efficiency, targeting up to 40% lower transaction costs.
- Comprehensive Testing: Unit, integration, and scenario testing with tools like Hardhat and Foundry.
- Audit-Ready Code: Structured, documented, and compliant with major audit firm requirements.
Deploy a secure, auditable MVP in as little as 2-3 weeks, not months. We handle the complex engineering so you can focus on product and growth.
key-features-cards
ARCHITECTURE & DELIVERABLES
Core Technical Capabilities We Build
We deliver production-ready infrastructure that scales with your user base. Our focus is on security, performance, and developer experience to accelerate your time-to-market.
01
Multi-Chain Portfolio Aggregation
Real-time aggregation of token balances, NFTs, and DeFi positions across 30+ EVM and non-EVM chains. Unified API response with normalized data models for seamless integration.
30+
Supported Chains
< 500ms
P95 Latency
02
Real-Time Transaction Indexing
WebSocket and REST APIs for instant transaction, transfer, and event notifications. Built on proprietary indexing infrastructure for sub-second data freshness.
< 1 sec
Data Freshness
99.9%
Uptime SLA
03
Enterprise-Grade Security & Compliance
SOC 2 Type II compliant infrastructure with encrypted data at rest and in transit. Regular third-party audits and zero-downtime deployment practices.
SOC 2
Compliance
0
Security Incidents
04
Custom Token & NFT Metadata
Enriched asset data including logos, prices, collection floor prices, and rarity scores. Handles custom token contracts and legacy standards automatically.
100M+
Assets Indexed
24/7
Metadata Updates
05
Gas Optimization & Cost Analytics
Transaction simulation and historical gas fee analysis per wallet. Enables features like cost forecasting and optimal transaction timing recommendations.
90%
Cost Predictability
EIP-1559
Fee Support
06
Scalable Webhook & Alert System
Configurable alerts for large transfers, whale movements, or protocol interactions. Built-in retry logic and delivery guarantees for critical notifications.
10K+
Events/Sec
99.99%
Delivery Rate
benefits
DELIVERED BY CHAINSCORE
Business Outcomes for Your Product
Our Wallet Portfolio Tracking API is engineered to drive measurable results for your product, from accelerating development to unlocking new revenue streams. Here's what you can expect.
01
Accelerate Time-to-Market
Integrate comprehensive wallet tracking in weeks, not months. We provide a production-ready API with unified data models for EVM, Solana, and Bitcoin, eliminating the need to build and maintain complex indexers.
< 4 weeks
Integration Time
0
Indexer Dev Cost
02
Enhance User Engagement
Deliver rich, real-time portfolio dashboards that keep users active. Track token balances, NFT holdings, DeFi positions, and transaction history across 20+ chains from a single API call.
20+
Supported Chains
< 100ms
P95 Latency
03
Reduce Infrastructure Overhead
Eliminate the operational burden of running blockchain nodes and data pipelines. We guarantee 99.9% uptime and handle all data normalization, reconciliation, and scaling automatically.
99.9%
Uptime SLA
24/7
Infra Monitoring
05
Strengthen Security & Compliance
Build trust with enterprise-grade security. Our API includes built-in address screening, transaction simulation, and audit trails. Data is processed in SOC 2 compliant environments.
SOC 2
Compliance
TLS 1.3
Data Encryption
06
Scale with Confidence
Support millions of users without performance degradation. Our infrastructure is built to handle high-throughput queries and burst traffic, with automatic scaling and dedicated support for enterprise plans.
1M+
Wallets Indexed
Elastic
Query Scaling
Choose the Right Integration Path
Structured Development Packages
Compare our tiered packages for integrating a custom Wallet Portfolio Tracking API into your application.
| Feature | Starter | Professional | Enterprise |
|---|---|---|---|
Multi-Chain Portfolio Aggregation | |||
Real-Time Balance & Token Price Feeds | |||
Historical Transaction & PnL Analytics | |||
Custom Token & NFT Metadata Support | |||
DeFi Position Tracking (LP, Staking, Vaults) | |||
Dedicated API Endpoints & Rate Limits | Shared | Dedicated | Dedicated + Custom |
Implementation & Integration Support | Documentation | 2 Weeks | 4-8 Weeks |
Uptime & Performance SLA | 99.5% | 99.9% | 99.99% |
Support Response Time | Business Hours | < 4 Hours | < 1 Hour (24/7) |
Starting Price (Implementation) | $15K | $50K | Custom Quote |
how-we-deliver
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts for your protocol or dApp.
We architect and deploy audit-ready smart contracts on EVM and Solana, ensuring security, gas efficiency, and upgradability from day one. Our development includes comprehensive unit and integration testing to prevent costly exploits.
- Custom Logic: Build
ERC-20,ERC-721, staking systems, DAO governance, and bespoke DeFi primitives. - Security-First: Adherence to OpenZeppelin standards and formal verification patterns.
- Full Lifecycle: From architecture and development to deployment, verification, and on-chain monitoring.
Reduce your time-to-market and technical risk with battle-tested code. We deliver contracts you can deploy with confidence, backed by over 50+ successful protocol launches.
Wallet Portfolio Tracking API
Frequently Asked Questions
Get clear answers on implementation, security, and support for our enterprise-grade Wallet Portfolio Tracking API.
For standard integrations, we typically deliver a fully functional, production-ready implementation in 2-3 weeks. This includes API key provisioning, initial data sync, and documentation review. Complex requirements, such as custom token classification or multi-chain aggregation logic, may extend this timeline, which we scope and agree upon upfront.
ENQUIRY
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.
NDA Protected
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall